COVID-19(16) Kidney transplantation(13) Patient(11) SARS-CoV-2(11) outcome(8) solid organ transplant(8) patients(7) vaccination(7) kidney transplant(7) mRNA(7) kidney(7) Liver transplantation(7) Analysis(6) renal(6) median(6) BNT162b2(6) multivariable logistic regression(6) coronavirus(6) Infection(6) Mild(6) reported(6) age(5) higher risk(5) SARS-CoV-2 vaccine(5) Follow-up(5) receiving(5) hepatitis B(5) graft rejection(4) best(4) younger patients(4)